Egloffstein, M., Baierlein, J., & Frötschl, C. (2010). Eportfolios Between Reflection And Assessment - Experiences From Teacher Education. MediaEducation: Journal for Theory and Practice of Media Education, 18(Indiv. Leistungsdarstellung), 1–20. https://doi.org/10.21240/mpaed/18/2010.04.30.X